28590863

素因数分解:

$7^2\times {\mathrm{23}}^2\times {\mathrm{1103}}^1$

素因数の和:1163

約数の個数: 18

約数和(自身を含む): 34799184

約数和(自身を除く): 6208321

約数列:

[1, 7, 23, 49, 161, 529, 1103, 1127, 3703, 7721, 25369, 25921, 54047, 177583, 583487, 1243081, 4084409, 28590863]

約数ペア:

[(1, 28590863), (7, 4084409), (23, 1243081), (49, 583487), (161, 177583), (529, 54047), (1103, 25921), (1127, 25369), (3703, 7721)]